In general, when looking for the cheapest flight to Adelaide, try to choose a flight departing in September for the best deal.
Most flyers found that booking flight tickets 36 days in advance of their planned departure date is, on average, the best time to get cheap flights to Adelaide.
From most locations, the cheapest day to fly to Adelaide is Wednesday. Most users found that departing on a Friday was most expensive.
Our data shows that the cheapest Adelaide flights are usually those with evening departure times. midday flights are often costlier.